迭代时差频差联合定位算法及其性能分析

doi:10.3969/j.issn.1001-2400.2015.04.023

J4 ›› 2015, Vol. 42 ›› Issue (4): 140-146.doi: 10.3969/j.issn.1001-2400.2015.04.023

迭代时差频差联合定位算法及其性能分析

杨洁1;刘聪锋2;田中成3;张斌3

(1. 西安邮电大学通信与信息工程学院，陕西西安 710121；
2. 西安电子科技大学电子对抗研究所，陕西西安 710071;
3. 中国北方电子设备研究所一室，北京 100191)

收稿日期:2014-04-02 出版日期:2015-08-20 发布日期:2015-10-12
通讯作者: 杨洁
作者简介:杨洁(1976-), 女, 副教授, E-mail: yangjie@xupt.edu.cn．
基金资助:
国家自然科学基金资助项目(61402365,61271300)；陕西省教育厅自然科学类专项科研计划资助项目(2013JK1076)；国家部委资助项目；陕西省工业攻关资助项目(2013K-33,2014KW01-04)；国家留学基金资助项目(201406965022)；中央高校基本科研业务费专项资金资助项目(K0551302006)

Iteration algorithm for joint TDOA＆FDOA location and its performance analysis

YANG Jie1;LIU Congfeng2;TIAN Zhongcheng3;ZHANG Bin3

(1. School of Communication and Information, Xi'an Univ. of Post ＆ Telecommunication, Xi'an 710121, China;
2. Research Inst. of Electronic Countermeasures, Xidian Univ., Xi'an 710071, China;
3. 1st Lab., Institute of North Electronic Equipment, Beijing 100191, China)

Received:2014-04-02 Online:2015-08-20 Published:2015-10-12
Contact: YANG Jie

摘要/Abstract

摘要：

针对运动观测站对固定辐射源的时差频差联合定位场景，提出了基于迭代方法实现的目标位置求解定位算法，解决了基于时差频差联合定位方法的目标位置求解问题．所提方法将辐射源载频也作为未知量进行求解，利用时差和频率测量方程进行泰勒级数展开，在忽略高阶项的条件下，通过迭代方法求解目标位置和辐射信号载频；分析了时差频差联合定位算法的定位精度，并进行了仿真分析，验证了理论分析的正确性和算法的有效性，为频差定位算法的应用提供了理论基础．

关键词: 无源定位, 时差频差联合定位, 迭代法, 性能分析

Abstract:

Based on the FDOA and TDOA united location of the radiative source using moving observations, an iterative algorithm which solves the location of the target is proposed, which overcomes the difficulty in solving FDOA and TDOA united location. The proposed algorithm sets the carrier frequency as the unknown parameter, and under the condition of omitting the higher order items, the measured time difference and frequency equations are used to figure out both of the target position and carrier frequency from the emitter in the iterative way. The location accuracy of the TDOA and FDOA united location algorithm is analyzed in detail; furthermore, elaborative simulation is given, which proves the accuracy and effectiveness of the theoretical analysis and provides TDOA and FDOA united location algorithm with theoretical foundation.

Key words: passive location, TDOA and FDOA united location, iteration method, performance analysis

杨洁;刘聪锋;田中成;张斌. 迭代时差频差联合定位算法及其性能分析[J]. J4, 2015, 42(4): 140-146.

YANG Jie;LIU Congfeng;TIAN Zhongcheng;ZHANG Bin. Iteration algorithm for joint TDOA＆FDOA location and its performance analysis[J]. J4, 2015, 42(4): 140-146.

参考文献

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迭代时差频差联合定位算法及其性能分析

Iteration algorithm for joint TDOA＆FDOA location and its performance analysis

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